The first roller coaster, the Russian Ice Slides	The first looping roller coaster, the French Centrifugal Railway	The first roller coaster in America, the Switchback Railway
10 On a sled How would you go down the slides?	10 A torture device What did some people say this roller coaster was like?	10 Coney Island Where was the Switchback Railway opened?
20 By climbing the stairs on the back How would you get to the top of the slides?	20 Centrifugal force What kept the cart on the track?	20 A nickel How much did each ride cost?
30 A sand pile at the bottom What stopped the sleds?	30 People could hurt or break their necks on the ride Why did the ride eventually close?	30 LaMarcus Thompson Who created the Switchback Railway?
40 Wood and ice What were they made out of?	40 1846 When was it invented?	40 $600 a day How much did LaMarcus Thompson make everyday because of his roller coaster?
50 About 300 years ago How long ago were they invented?	50 13 feet How many feet was the diameter of the loop?	50 1884 What year was the Switchback Railway opened?

The Evolution of Roller Coasters

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